Add missing tests for confirmations controller (#7866)

spec/controllers/auth/confirmations_controller_spec.rb

@@ -3,6 +3,8 @@
 require 'rails_helper'
 
 describe Auth::ConfirmationsController, type: :controller do
+  render_views
+
   describe 'GET #new' do
     it 'returns http success' do
       @request.env['devise.mapping'] = Devise.mappings[:user]
@@ -48,4 +50,45 @@ describe Auth::ConfirmationsController, type: :controller do
       end
     end
   end
+
+  describe 'GET #finish_signup' do
+    subject { get :finish_signup }
+
+    let(:user) { Fabricate(:user) }
+    before do
+      sign_in user, scope: :user
+      @request.env['devise.mapping'] = Devise.mappings[:user]
+    end
+
+    it 'renders finish_signup' do
+      is_expected.to render_template :finish_signup
+      expect(assigns(:user)).to have_attributes id: user.id
+    end
+  end
+
+  describe 'PATCH #finish_signup' do
+    subject { patch :finish_signup, params: { user: { email: email }} }
+
+    let(:user) { Fabricate(:user) }
+    before do
+      sign_in user, scope: :user
+      @request.env['devise.mapping'] = Devise.mappings[:user]
+    end
+
+    context 'when email is valid' do
+      let(:email) { 'new_' + user.email }
+
+      it 'redirects to root_path' do
+        is_expected.to redirect_to root_path
+      end
+    end
+
+    context 'when email is invalid' do
+      let(:email) { '' }
+
+      it 'renders finish_signup' do
+        is_expected.to render_template :finish_signup
+      end
+    end
+  end
 end